I belive that answer is c
<span>that meant he was engaged in interstate commerce.</span>
<em>The mobs smashed newly invented machines as a form of protest against the insertion of the machines in textile industry. The machines changed the whole process of production and competition in the marketing, the machines speed up the production process in some case 100 times more than what a human would spend to do a job. So the machinery threatens human jobs positions and salaries in the factories. </em>
The correct answer is The Xia dynasty!
Your welcome